Ng??i b?nh b? suy tim sung huy?t, b? gi?m kh?i l??ng tu?n hoàn do thu?c l?i ni?u ho?c b? suy th?n (t?ng nguy c? r?i lo?n ch?c n?ng th?n). Pai-chang Huai-hai advised a pupil who was grappling with difficult portions of suttas, "Get up words and phrases so that you can manifest meaning